IAA RAS IAA Minor Planet Database

2021 YD

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4058044000
Semi-major axis (a)1.5952818000 AU
Inclination (i)14.10950000°
Long. of Asc. Node (Ω)270.35329000°
Arg. of Perihelion (ω)209.81827000°
Mean Anomaly (M)328.86874000°
Mean Motion (n)0.4891566300°/day
Perihelion dist (q)0.94790940 AU
Aphelion dist (Q)2.24265420 AU
Orbital Period2.01491220 yr
Physical Parameters
H (abs. magnitude)24.27
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date—
RMS Residual0.170″
Uncertainty8
Orbit TypeApollo
MOID0.001088 AU
Observations Used46
Oppositions1
Arc Total—
First Observation Used—
Last Observation Used2021-12-20
Observations (46)
Date Type RA Dec Mag Band Observatory
2021-12-16 09:05:23 C 10 30 16.84 +54 50 45.0 – V 703
2021-12-16 09:13:56 C 10 30 24.18 +54 48 02.1 – V 703
2021-12-16 09:22:29 C 10 30 31.82 +54 45 16.0 – V 703
2021-12-16 09:31:03 C 10 30 39.24 +54 42 31.1 – V 703
2021-12-16 12:16:12 C 10 32 58.87 +53 47 37.0 – V 703
2021-12-16 12:17:28 C 10 32 59.91 +53 47 11.0 – V 703
2021-12-16 12:20:01 C 10 33 02.01 +53 46 18.8 – V 703
2021-12-16 23:48:50 C 10 43 44.50 +49 32 17.9 – V 203
2021-12-17 00:00:01 C 10 43 53.84 +49 28 04.1 – V 203
2021-12-17 00:07:47 C 10 44 00.30 +49 25 07.3 – V 203
2021-12-17 00:31:49 C 10 44 19.99 +49 15 58.0 – V 204
2021-12-17 00:38:22 C 10 44 25.37 +49 13 27.5 – V 204
2021-12-17 00:44:56 C 10 44 30.72 +49 10 57.0 – V 204
2021-12-17 00:51:30 C 10 44 36.05 +49 08 26.1 – V 204
2021-12-17 00:58:04 C 10 44 41.35 +49 05 55.1 – V 204
2021-12-17 04:26:41 C 10 47 24.47 +47 43 43.8 – Z C95
2021-12-17 05:08:05 C 10 47 55.58 +47 26 48.8 – Z C95
2021-12-17 05:49:31 C 10 48 26.61 +47 09 41.7 – Z C95
2021-12-17 07:40:02 C 10 50 21.18 +46 23 15.4 – u H21
2021-12-17 07:42:19 C 10 50 22.89 +46 22 19.3 – u H21
2021-12-17 07:44:36 C 10 50 24.63 +46 21 22.9 – u H21
2021-12-17 07:46:52 C 10 50 26.37 +46 20 26.7 – u H21
2021-12-17 07:49:09 C 10 50 28.10 +46 19 30.6 – u H21
2021-12-17 07:53:18 C 10 50 31.23 +46 17 48.3 – u H21
2021-12-17 07:54:44 C 10 50 32.29 +46 17 13.1 – u H21
2021-12-17 07:56:49 C 10 50 33.89 +46 16 21.5 – u H21
2021-12-17 23:00:34 C 11 02 24.14 +39 26 57.8 – V 204
2021-12-17 23:12:39 C 11 02 32.96 +39 21 16.6 – V 204
2021-12-17 23:41:11 C 11 02 54.91 +39 07 32.4 – X 958
2021-12-17 23:44:16 C 11 02 55.35 +39 06 32.4 – X 595
2021-12-17 23:46:24 C 11 02 58.65 +39 05 04.4 – X 958
2021-12-17 23:51:34 C 11 03 02.37 +39 02 37.4 – X 958
2021-12-17 23:58:46 C 11 03 05.61 +38 59 39.1 – X 595
2021-12-18 00:26:00 C 11 03 24.71 +38 46 44.6 – V L01
2021-12-18 00:27:43 C 11 03 25.87 +38 45 55.3 – V L01
2021-12-18 00:29:26 C 11 03 27.09 +38 45 06.4 – V L01
2021-12-18 00:31:09 C 11 03 28.28 +38 44 17.6 – V L01
2021-12-18 00:32:52 C 11 03 29.45 +38 43 28.3 – V L01
2021-12-18 01:18:19 C 11 04 01.40 +38 21 28.8 – V K38
2021-12-18 01:26:25 C 11 04 06.94 +38 17 34.4 – V K38
2021-12-18 02:10:15 C 11 04 36.19 +37 56 22.2 – V K38
2021-12-18 02:20:26 C 11 04 42.95 +37 51 24.8 – V K38
2021-12-20 11:52:35 C 11 39 23.94 +06 13 12.0 – V 290
2021-12-20 11:53:19 C 11 39 24.25 +06 12 47.7 – V 290
2021-12-20 11:54:03 C 11 39 24.56 +06 12 23.4 – V 290
2021-12-20 11:54:48 C 11 39 24.87 +06 11 59.0 – V 290